Case for a circuit board



FIG. 1 is a perspective view of a case for a circuit board showing our new design.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a left side elevation view thereof.

FIG. 5 is a right side elevation view thereof.

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view of a case for a circuit board shown in an example environment.

The broken lines are for environmental purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a case for a circuit board, as shown and described. 